Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é o gerente de saída quando a data da vaga é 10 de outubro de 2010?
 ###Tabelas: CREATE TABLE grand_prix_career_statistics (grand_prix_career_statistics_id AUTO_INCREMENT PRIMARY KEY, Year INT, Class VARCHAR, Team VARCHAR, Machine VARCHAR, Points INT, Rank VARCHAR, Wins INT) CREATE TABLE belgium_cd_track_listings (belgium_cd_track_listings_id AUTO_INCREMENT PRIMARY KEY, Track INT, Title VARCHAR, Songwriter(s) VARCHAR, Producer(s) VARCHAR, Length VARCHAR) CREATE TABLE upper_hutt_city (upper_hutt_city_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Years VARCHAR, Gender VARCHAR, Area VARCHAR, Authority VARCHAR, Decile VARCHAR) CREATE TABLE managerial_changes (managerial_changes_id AUTO_INCREMENT PRIMARY KEY, Team VARCHAR, Outgoing manager VARCHAR, Manner of departure VARCHAR, Date of vacancy VARCHAR, Table VARCHAR, Incoming manager VARCHAR, Date of appointment VARCHAR) CREATE TABLE composition_of_the_9th_seanad (composition_of_the_9th_seanad_id AUTO_INCREMENT PRIMARY KEY, Administrative Panel INT, Agricultural Panel INT, Cultural and Educational Panel INT, Industrial and Commercial Panel INT, Labour Panel INT, National University of Ireland INT, University of Dublin INT, Nominated by the Taoiseach INT, Total INT)  
SELECT Outgoing manager FROM managerial_changes WHERE Date of vacancy = 10 October 2010